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  • 油煙凈化器靜電處理法的優點
  • 本站編輯:杭州東潤科技實業有限公司發布日期:2019-06-08 09:15 瀏覽次數:
電場在外加高壓的作用下,負極的金屬絲表面或附近放出電子迅速向正極運動,與氣體分子碰撞并離子化。油煙廢氣通過這個高壓電場時,油煙粒子在極短的時間內因碰撞俘獲氣體離子而導致荷電,受電場力作用向正極集塵板運動,從而達到分離效果。這種設備的投資少、占地小、無二次污染、運行費用低。由于易于捕捉粒徑較小的粉塵,凈化效率高,可達85~95%。它的凈化機理與氣體方法的區別在于:分離力是靜電力,直接作用在粒子上,而不是作用在氣流上,因此具有能耗低,阻力小的特點。
靜電過濾器:含有粉塵顆粒的氣體,在接有高壓直流電源的陰極線(又稱電暈極)和接地的陽極板之間所形成的高壓電場通過時,由于陰極發生電暈放電、氣體被電離,此時,帶負電的氣體離子,在電場力的作用下,向陽板運動,在運動中與粉塵顆粒相碰,則使塵粒荷以負電,荷電后的塵粒在電場力的作用下,亦向陽極運動,到達陽極后,放出所帶的電子,塵粒則沉積于陽極板上,而得到凈化的氣體排出防塵器外。
高壓靜電設備的技術優點:
1.處理風量大,壓損小??梢栽诟邼袂闆r下運行。
2.一次通過去除率可以滿足凈化要求。
3.有效去除的粒子直徑范圍大。

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Under the action of an applied high pressure, the negative wire surface or nearby emits electrons that quickly move to the positive pole, collides with gas molecules and ionizes. When the soot exhaust gas passes through this high-pressure electric field, the soot particles are charged by collision to capture gas ions in a very short period of time, and the electric field force moves toward the positive collector dust plate to achieve the separation effect. The equipment has low investment, small footprint, no secondary contamination and low operating costs. Due to the easy capture of smaller dust particles, high purification efficiency, up to 85 ~ 95 %. The difference between its purification mechanism and the gas method is that the separation force is electrostatic, acting directly on the particles rather than on the air flow, so it has the characteristics of low energy consumption and low resistance.
Electrostatic filter: A gas containing dust particles. When a high-pressure electric field formed between a cathode line(also known as a corona) connected to a high voltage DC power supply and a grounded anode plate passes through, a corona discharge occurs at the cathode and the gas is ionized. At this time, The negatively charged gas ions, under the action of the electric field force, move toward the sun plate, and when they collide with the dust particles during the movement, the dust particles are negatively charged, and the charged dust particles are under the action of the electric field force. It also moves toward the anode and arrives at the anode. The electrons are released, and the dust particles are deposited on the anode plate, and the purified gas is discharged out of the dust filter.
Technical advantages of high voltage electrostatic equipment:
1. Treatment of large wind, small pressure loss. Can run under high humidity conditions.
2. The removal rate can meet the purification requirements at one time.
3. The effective removal of particles has a large range of diameters.

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